Logic Masters Deutschland e.V.

1) Classic Sudoku rules apply:
Place a digit 1-9 into each cell of the grid. None of the rows, columns or boldly outlined 3x3 boxes contain repeated digits.

2) Every line either satisfies the Renban constraint or the Chinese Whispers constraint, but not both.

Renban: The line contains a set of distinct consecutive digits which can appear in any order.
Chinese Whispers: Neighboring pairs of digits on the line differ by at most 2.

Clarifications:
- Each group of connected line segments is considered one line. There are 10 lines in this puzzle.
- A Renban line may have some neighboring pairs of digits that differ by 2 or less, but it must have at least one pair that differs by 3 or more.

This is the puzzle:

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